What is CVE-2008-2812?

CVE-2008-2812 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a NULL Pointer Dereference flaw (CWE-476). CVE-2008-2812 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2008-2812?

CVE-2008-2812 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Is there a patch available for CVE-2008-2812?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2008-2812 patch availability.

Is CVE-2008-2812 actively exploited?

CVE-2008-2812 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is NULL Pointer Dereference (CWE-476)?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/476.html

CVE-2008-2812

High

The Linux kernel before 2.6.25.10 does not properly perform tty operations, which allows local users to cause a denial of service (system crash) or possibly gain privileges via vectors involving NULL pointer dereference of function pointers in (1) hamradio/6pack.c, (2) hamradio/mkiss.c, (3) irda/irtty-sir.c, (4) ppp_async.c, (5) ppp_synctty.c, (6) slip.c, (7) wan/x25_asy.c, and (8) wireless/strip.c in drivers/net/.

Package Linux Kernel

Published 2008-07-09

Last modified 2026-04-23

CVSS version 3.1

Patch available

Awaiting data

CVSS 3.1 score

7.8

out of 10

High

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-476

CVE-2008-2812 is a NULL Pointer Dereference vulnerability

What is NULL Pointer Dereference?

The product dereferences a pointer that it expects to be valid but is NULL, typically causing a crash. Learn more on MITRE CWE

References

33 total

Debian Security
http://www.debian.org/security/2008/dsa-1630

Patch Third Party Advisory
Openwall
http://www.openwall.com/lists/oss-security/2008/07/03/2

Mailing List Patch Third Party Advisory
Securityfocus
http://www.securityfocus.com/bid/30076

Patch Third Party Advisory VDB Entry
Kernel Git
http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.25.y.git%3Ba=commitdiff%3Bh=2a739dd53ad7ee010ae6e155438507f329dce788
Kernel.org
http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.10

Broken Link

Showing 5 of 33 references View all on NVD

Details

CVE ID CVE-2008-2812

Severity High

CVSS score 7.8 / 10

CVSS version 3.1

Published 2008-07-09

Modified 2026-04-23

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2008-2812?

CVE-2008-2812 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as a NULL Pointer Dereference flaw (CWE-476) . CVE-2008-2812 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2008-2812?

CVE-2008-2812 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Is there a patch available for CVE-2008-2812?

Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2008-2812 patch availability.
Is CVE-2008-2812 actively exploited?

No. CVE-2008-2812 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.